<?=$this->Style()->IncludeStyleFile(array('js' => 'flashplayer'));?>
<a 
    href="<?=_ROOT_URL.$this->file->GetFile();?>" 
    style="display:block;width:425px;height:300px;">
  <img src="<?=_ROOT_URL.$this->folder.$this->file->GetThumbnail();?>" alt="" />  
</a>
<script type="text/javascript"> 
	$("a[href*=.flv]").flowplayer("<?=_ROOT_URL.$this->mediaFolder;?>flowplayer-3.1.5.swf");	
</script>